Maxim Levitsky wrote:
On Tue, 2009-05-12 at 15:51 +0100, Alan Jenkins wrote:
Keeping this device around lets userspace know that we have a battery
bay, even if there is nothing in it at the moment. This is what every
other battery driver does, so ACPI should do it as well.
There is no reason to preserve the old behaviour. We now correctly
provide the "present" attribute, which will return "0" when the battery
is removed. HAL was already trying to check this attribute, so
it should be fine.
Signed-off-by: Alan Jenkins <alan-jenkins@xxxxxxxxxxxxxx>
What happened to this patch?
I still get the issue this patch attempts to fix:
maxim@maxim-laptop:~/software/kernel/linux-2.6$
ls /sys/class/power_supply/
AC
maxim@maxim-laptop:~/software/kernel/linux-2.6$
ls /sys/class/power_supply/
AC BAT0
maxim@maxim-laptop:~/software/kernel/linux-2.6$
ls /sys/class/power_supply/
AC
maxim@maxim-laptop:~/software/kernel/linux-2.6$ uname -r
2.6.31-rc8-next-20090904-next
maxim@maxim-laptop:~/software/kernel/linux-2.6$
When I unplug the battery, its sysfs entry disappears.
Thus if system was booted without battery, there will be no way to know
system has one.
This patch doesn't apply.
I rebased these patches a while back
http://patchwork.kernel.org/patch/33118/
http://patchwork.kernel.org/patch/33119/
http://patchwork.kernel.org/patch/33120/
you should find these will still apply.
Regards
Alan
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